0
votes
0answers
253 views

Oracle 10g - Sudden change in execution time for specific query

After the DBAs fiddled with some parameters in our Oracle 10g Production Environment, most queries became a little faster. But a single query (a quite complex one) became dramaticaly slower - it went ...
4
votes
2answers
752 views

How I should fix the following update statement to make it run faster?

I have the following DML: UPDATE rc_usutb011 u SET cod_ant=( SELECT cod_hst FROM rc_pdptb101 p WHERE ocip_hst=ocip_ant AND p.sector=u.sector ); The explain plan ...
1
vote
1answer
356 views

Improve performance for my plsql block

First of all let me make kind of a disclaimer here: 1) i'm a developer, not an administrator; 2) and i dont have admin rights on my database. 3) table specs : -- oulp_path_attendance_base_t - ...
1
vote
1answer
116 views

Can SQL profiles be deployed to other Oracle Databases?

When using The SQL Tuning Advisor in SQL-Developer. I get often some recommendations to accept a SQL-Profil. I guess it is a good idea to do so. But is this similar to proposed indexes, which I can ...